Year Personnel 1985 2100 1989 3000 1990 3000 1991 3000 1992 3000 1993 3000 1994 3000 1995 3500 1996 3500 1997 3470 1998 3470 1999 3020 2000 3000 2001 3000 2002 3000 2003 3000 2004 2000 2005 3000 2006 3000 2007 3000 2008 3000 2009 2830 2010 2830 2011 2830 2012 2830 2013 2830 2014 3450 2015 3450 2016 3950 2017 4000 2018 5950 2019 6000 2020 6000